Type-writing machine.



F. A. HART.

TYPE WRFHNG MACHINE,

APPLlCATl0N.FILED mm, I916.

1,215,306. Patented Feb. 6,1917.

2 SHEETS-SHEET I.

| NV ENTOR WITN {15315 7'2 I 0% M ATTO RN EY.

F. A. HART.

TYPE WRLTING MACHINE.

APPLICATION FILED mm. 1916.

Patented Feb. 6, 1917 2 SHEETS-SHEET 2 wrmggsas: W H g QEM Q ATTORN Y.

I mIE n sTA Es PATENT oEEIoE.

FREDERICK A. IIAR'I', or NEWARK, NEW. .IERsEY, ASSIGNOR 'ro UIIDERwooI) TYPE- WRITER comm, or NEW YORK, N. Y., A CORPORATION or DELA ARE,

TYPE-WRITING ACHINE.

Specification of Letters Patent.

Patented Feb, 6,1917.

Application filed January 3, 1916. SeriaiNo. 69,745.

To all whom it may concern:

lating-board, are attached to endless belts or Be it known that I, FREDERICK A. HART, a citizen of the United States, residing in Newark; in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Type-Writing Machines, of which the following is a specification. v

This invention relates to sheet-collating devices for typewriting machines, particularly of the variety disclosed in the patent to Jesse A. B. Smith, 1,149,794, of August v As shown in said patent, the sheet-collating device normally extends upwardly from the platen but may be swun'g forwardly and downwardly about the platen axis to a substantially horizontal position, to

permit the operator to arrange the worksheets thereon, after which it may be swung to its normal upright position, which is retainedwhile' the work-piecesare fed to and around the platen.

As the device is mounted on the paper carriage to travel therewith, it is desirable that the frameworkshall be light in weight, as well as strong and rigid, and an object of the'present invention is to provide an improved supporting frame possessing great, strength, rigidity and lightness. For this purpose, the supporting frame preferably 'comprises a hollow brace rod or tube.

mounted on the platen axle and rigidly uniting the side members of the frame, and

serving as-gan axle or shaft for the frame.

The hollow platen of the typewriter is your naled loosely upon said" rod orshaft, permitting the platen to be rotated while the frame is at rest, and also permitting the,

frame to swing-while the platen remains at rest. In order to permit the rotation of the platen either by the usual ,hand'wheels on the platen axle or by the-line-spacing mechanism, a train of gears is provided between the platen axle and platen, comprising'gear wheels fixed to the platen and said axle respectively, at opposite sides of one of the side members of the sheet-collating frame, and a pair of connected pinions run in mesh with said gear wheels respectively.

The work-sheets, as arranged on the colbands, as by means of, studs on said belts, which are recelved 1n correspondlng apertures in the margins of the work-sheets, and

said belts run over the platen, being driven thereby so that the work-sheets a're advanced f as the platen is rotated. The present invent1on provides an. improved 'means for supportm and guiding the endless belts and the ork-sheets carried thereby at the upper end of the supporting frame. For

this purpose, guide pulleys, over which the belts run at the upper end of said frame,

are mounted on a shaft extending transversely of the frame and supported at 'its ends in rock arms mounted at the upper ends of the side members of the frame. The shaft carrying said guide pulleys also has mounted thereon intermediate guide rollers by which thework-sheets are supported and guided as they pass with the belts over said I guide pulleys. The work-sheets are further guided and held in position on the belts during their passage over the guide pulleys by means of a skeleton guiding frame or hood extending over said-guide rollers and providing between said hoodand rollers a narrow. passageway through which sheets are guided. This skeleton guiding frame provides a light and strong construction and at the same time permits the operator to observe the position of the work-sheets thereon, and, moreover, does not cut off the light to the' same extent as a closed hood or guide. Said guide pulleys are urged in an upward direction by springs which main- 1 v tain suitable tension on the belts, but are free to be moved against the tension of the springs as the belts are bent or curved over the platen frame when the sheet-collating frame isswung forward to a horizontal position.

The side members of the sheet-collating frame preferably comprise lower portions extending in an upwardly and rearwardly inclined direction from the platen axle, and

upright portions extending from the upper ends of said inclined portions; the arrangeso that the bands and sheets are guided vertically downward to said guide rollers, and thence in a forwardly inclined direction over the paper shelf to the platen.

Other features and advantages will hereinafter appear.

In the accompanying drawings,

Figure l is a perspective View of the sheet-collating mechanism mounted upon the carriage of an Underwood typewriting machine, the collating-board being in its normal upright or operative position.

Fig. 2 is a similar view with the sheetcollating board swung forward to a horizontal position to permit'assembling of the work-sheets thereon.

Fig. 3 is a sectional elevation through the platen and collating frame, and also showing the gear train for rotating the platen.

The platen 4 is mounted for rotation by 1 means of a platen axle 5, journaled in a platen frame 6, said axle connected with the platen through a train of gears, hereinafter described. The platen and its frame are mounted on the usual carriage, driven as by a spring drum, and having its letter-feed movements controlled by the usual mechanism, not shown. Types 7 strike against the front face of the platen to print on the workpieces thereon. The platen axle 5 may be rotated by the usual hand wheels 8. Lineouter side frame bars or members 17 and 18.

The side frame bars 17 and 18 are mounted at their lower ends on a tubular transverse brace rod or hollow shaft 19, (Fig. 3) the latter being journaled on the platen axle 5. The'frame members 17 and 18 are rigidly secured to said shaft 19 as by means of set screws 20. A very rigid, and at the same time light construction is thereby provided, wherein the sheet-collating frame is free to swing about the platen axis.

The hollow platen 4 has fixed to its outer ends, platen heads 21 mounted to rotate freely on the hollow shaft 19. End plates 22 and 23 are secured to the outer faces of the heads 21, the plate 23 being provided with gear teeth 24, so that the plate 23 forms a gear wheel secured to the platen to rotate therewith. A gear wheel 25 fixed to the platen axle 5 is connected to drive the gear 23 through gear pinions 26 and 27 meshing respectively with the gears 25 and 23, said pinions being located on opposite sides of the frame member 17 and keyed to a shaft 28 journaled in said frame member. It will be seen :that the gear train just described serves to rotate the platen when the axle 5 is rotated either by the hand wheels 8 or by the line-spacing mechanism. The gear wheels 23 and 25 are preferably of the same diameter, so that the platen axle and platen rotate at the same angular speed.

The sheet-collating frame may be swung, back and forth about the platen axle without affecting the position of the platen, the pinions 26 and 27 running idly on the gears 25 and 23 respectively, as said frame swings.

When the sheet-collating frame is swung K forward to theFig. 2 position, the workpieces may be arranged on the support or table provided by the rods 13, and are retained in their collated position by means of endless belts or bands 29 and 30, each provided with a row of studs 31 adapted to enter corresponding apertures, provided in the margins of the work-sheets. The belts 29, 30, run over the platen ends 21, which are each provided with a series of recesses 32 to receive correspondingly spaced teeth 33 projecting from the inner faces of the belts, whereby the latter are positively driven from the platen, and slipping or creeping prevented.

At the upper end of the framework the belts run over pulleys or guide rolls 34 mounted on a transverse shaft 35, the latter supported in the forward ends of rock arms 36 and 37, mounted on and projecting forwardly from a rock shaft 44. The shaft 44 is journaled in the upper ends of the side 34 about in the plane of the collating board.

The shaft 35 is urged in an upward direction and tension thereby maintained on the belts by coil springs 38 mounted on rods .39 depending from said shaft and having their lower ends slidably mounted in guides 40 which also form abutments for the springs 38.

Brackets 41 are mounted on the front rail of the platen frame, and are provided with curved surfaces in register with the belts, so that when the collating frame is swung down to the Fig. 2 position the belts are flexed or curved over said surfaces. Each of said surfaces is provided with a groove 42 to accommodate the studs 31 and may also have a groove 43 to receive the heads 33 of the teeth 33. The mounting of the pulley shaft 35 and pulleys 34, on the rock arms 36,37, permits said pulleys to swing downward or toward. the platen as the belts are flexed, the springs 38 serving to maintain .a

constant tension on the belts. One of the rock arms, as 36, is preferably free to swing on the shaft 44 so that the belt pulleys 34 may swing separately about the axis of the rock shaft 44 as a center, whereby tension may be maintained on each belt independently of the other.

Mounted on the shaft 35 between the belt pulleys 34, are intermediate pulleys or guides 45 by which work-sheets are support ed and guided as they are carried with the belts over the upper end of the collating board. A skeleton hood or guiding frame 46, positioned to overlie the work-sheets as they are carried overthe guide pulleys 45, comprises a series of parallel rods 47, fast at their rear ends to the rock shaft 44 and curved forwardly over the pulley shaft 35 concentrically therewith, and united at their forward ends by a transverse rod 48. The form and size of this hood is such as to provide a narrow clearance orpassageway "for' the work-pieces passing over the guides 45. Said hood being fast to the rock shaft 44, rocks with said shaft and the rock arm 37 when the belt pulleys are movedinwardly operator to observe the work as it iscarriedas the frame is swung forward, so that the position of the hood relative to the guide pulleys remains substantially constant.

It will be observed that the construction of the hood .46 is at the same time light and strong, and, being entirely open, permits the over the guides beneath the said hood. The open-work of the hood also reduces to a minimum the obstruction of light.

The side-bars 17, 1 8, of'the swinging frame comprise lower portions 49 inclined upwardly and rearwardly from the platen axle, and substantiallyvertical portions 50 forming continuations of said inclined portions 49, so that when the frame is in its normal position the main portion thereof is substantially vertical. The rods 13 forming the collating table are correspondingly shaped. With this construction the swinging frame is normally supported in an upright position with the collating table somewhat to the rear of the platen, and is retained in such position by its own weight.-

The rearward swinging movement of the frame is limited by lugs 51 on the frame,

engaging stop lugs 52 which may be pro-,

' vided on a transverse bar 53, \fix ed to or forming part of the platen frame. The arrangement and mounting 'of the swlnging frame and table permits .the table to be brought" to a substantially horizontal position when swung forward, which position is convenient for the assemblage and adjustment thereon of the work-pieces- The for ward movement of the frame is limited by a stop lug 54 on the platen frame in'the path .of the frame bar 18. The lug 54 may be pro- 7 vided with a facing 54 of leather or other suitable material to form a cushion stopfor the frame.

An, upright frame 55 located behind the swinging frame may be rigidly connected with the platen frame, as by means of brackets 56, integral with or secured to the bar"53. This non-swinging frame is of open-work construction similar to the collating board, and when the latter is in upright position, is substantially parallel therewith, and spaced therefrom a suflicient distance to provide clearance for the work-pieces, while serving to retain them in position on the belts.

A guidep1ate or table 57 extends in an upwardly and rearwardly inclined direction from the intake side of the platen to the frame 55. The inclination of the plate 57 corresponds to that of the lower portion of the collating table, being spaced therefrom to accommodate the work-sheets. The rear leads of the belts extend over anti-friction guide rollers 58 mounted in brackets 59 located at the junction of the inclined and upright parts 49, 50 of the side frame members, so that the belts are guided in a path conforming to the shape of the collating table.

Supporting plates 61 extend between the pulleys 34 and the guide rollers 58 in position to form a support for the belts,'particularly when the frame is swung downward to Fig. 2 position, and also prevent the belts from swinging away from'the worksheets "as the latter are advanced to the platen. Said plates may be mounted as by means of side flanges 62 having ears 63 with openingsthrough whichthe transverse rods 14 and 16 of .the frame extend. Said plates may be formed with longitudinal grooves or troughs 64 to provide clearance for the belt teeth 33. t

Variations may be resorted to w thin the scope of the invention, and portions of the improvements may be used without others.

claim:

device comprising a frame mounted toswing about the platen axis from an upright posi-' tion to a horizontal "sheet-assembling .position, said device comprising a frame having a side members and a transverse brace rod concentric with the platen and rigidly uniting the side members.

2, In a typewriting machine, the combination with a rotary platen of a sheet-collating device comprising a sheet-supporting ta-' ble and a framework therefor, said frame- "work comprising-side members and a trans-- verse member concentric with the platen and rigidly uniting said side members, theplaten being rotatably mounted on said transverse member. 3. In a typewriting machlne, the comb nation with a rotary platen 5 of a sheet-collat ing device comprising a sheet-supporting table, a framework therefor, said framework comprising side members and a transverse member concentric with the platen and rigidly uniting said side members, the platen being rotatably mounted on said transverse member, a platen axle journaled in said' transverse member; andmeans for trans-- mitting motlon from the platen axle to the platen for rotating the latter.

4. In a typewriting machine, the combination with a rotary platen; of a sheet-collating device comprising a sheet-supporting table, a framework therefor, said framework comprising side members and -a transverse member concentric with the platen and rigidly uniting said side members,'the platen being rotatably mounted on said transverse member, a platen axle journaled in said transverse member; and a gear train connecting the platen axle and platen, said train comprising gears connected to the axle and the platen, respectively; pinions meshing with said gears; and a shaft to which said pinions are fixed, said last mentioned shaft journaled in one of said side members of the frame, said frame mounted to swing about the platen axis from a normal position in which it extends upwardly from the platen, to a reclining, sheet-assembling position.

5. In a typewriting machine, the combination with a rotary platen; of a sheetcollating device comprising a table or support for the arrangement of work-pieces thereon, and a supporting frame for said table, said frame mounted to swing about the platen axis, and comprising side frame bars and a transverse brace rod concentric with the platen and rigidly uniting said side bars, said rod forming bearings on which the platen is rotatably mounted between the side frame bars.

6. In a typewriting machine, the combination with a rotary platen: of a sheet-collating device comprising a table or support for the arrangement of work-pieces thereon, a supporting frame for said table, said framemounted to swing about the platen axis, and comprising side frame bars and a transverse brace rod concentric with the platen and rigidly uniting said side bars, said rod forming bearings on which the platen is rotatably mounted between the side frame bars; a platen frame; a platen axle journaled therein, said transverse rod being hollow and journaled on said axle; and means for transmitting motion from the said axle to the platen for rotating the latter when the axle is rotated.

7 Ina typewriting machine, the combination with a rotary-platen; of a sheet-collating device comprising a table or support for the arrangement of work-pieces thereon, a supporting frame for said table, said frame mounted to swing about the platen axis, and comprising side frame bars and a transverse brace rod concentric with the platen and rigidly uniting said side bars, said rod forming bearings on which the platen is rotatably mounted between the side frame bars; a platen frame; a platen axle journaled therein, said transverse rod being hollow and journaled on said axle; means for transmitting motion from the said axle to the platen for rotating the latter when the axle is rotated, said motion transmitting means comprising gears of equal diameter secured to the platen and the platen axle, respectively, on opposite sides of one of said frame bars, a shaft journaled in said last mentioned frame bar, pinions secured to said last named shaft and meshing with said gears, respectively,"whereby, when the platen axle is rotated, the platen is rotated at the same angular speed, and whereby said frame may be rotated about the platen axle while the platen remains at rest.

8. In a typewriting machine, the combination with a rotary platen; of a sheet-collating device comprising a sheet-supporting table, a framework therefor, said framework comprising side members and a transverse member concentric with the platen and rigidly uniting said side members, the platen being rotatably mounted on said transverse member, and endless belts extending around the platen and driven thereby, and comprising means for engaging the workpieces and feeding them around the platen as the latter is rotated.

9. In a: typewriting machine, the combination with a rotary platen; of a work-sheet collating and feeding mechanism, comprising a work-supporting table and a frame work therefor mounted to swing about the platen axis from a normal upright position forward to a work-sheet assembling position, said framework comprising side frame members, a shaft rigidly uniting said members, and on which the platen is mounted between said side members, the platen comprising heads journaled on said shaft, endless belts running over said heads and proyided with a series of teeth, said heads havng corresponding depressions or openings to recelve said teeth, whereby the belts are positively driven when the platen is rotated, and means at the upper end of the framework for supporting and guiding said belts.

10. In a typewriting machine, the combination with a rotary platen; of a worksheet collating and feeding mechanism, comprising a work-supporting table and a framework therefor mounted to swing about the platen axis from a normal upright po sition forward to a work-sheet assembling position, said framework comprising side frame members, a shaft rigidly uniting said members, and on which the platen is mountto a cumbent sheet-assembling position, end-' ed between said side members, the platen comprising heads journaled on said shaft, endless belts running over said heads and provided with a series of teeth, said heads having corresponding depressions or openings to receive said teeth, whereby the belts are positively driven when the platen is rotated, means at the upper end of the frame,

work for supporting and guiding said belts, guide pulleys at the outer end of said table over which the belts run, a shaft carrying said pulleys,-rock arms carrying said pulley shaft, andsprings holding said pulleys 1n.

position to maintain tension on the belts.

In a typewriting machine, the combination witi'ra rotary platen; of a sheet-collating and feeding mechanism, comprising a collating-board extending upwardly above the platen and mounted to swing forwardly to a cumbent sheet-assembling position, endless belts driven by the platen and extending upwardly therefrom in position-to support the side margins of work-sheets arranged on said board, means .on said-belts for engaging the sheets and causing them' to be advanced with the'belts, guide pulleys at the upper end .of said board, over-which the belts are guided, atr'aQnsverse pulley shaft on which said pulleys are mounted, 'rock arms carrying said pulley shaft, and springs to urge the said shaft in a direction to maintain tension on the belts. 1 1

12. In a typewriting machine, the combinationewith-a rotary platen; of a sheet-collating and feeding mechanism, comprising a collating-board extending upwardly above the platen and mounted to swing forwardly less belts driven by the platen and extending upwardly therefrom'in position to support the side margins of work-sheets arranged on said board, means on said belts for engaging the sheets and causing them to Joe advanced with the belts, guide pulleys at the upper end of said board, over which the belts are guided, a transverse pulley shaft on which said pulleys are mounted, rock arms carrying said pulley shaft, springs to urge the said shaft in a direction to maintain tension on the belts, and intermediate pulleys or guides on said pulley shaft to,

support the work-sheets as they are fed around said pulleys.

13. In a typewriting machine, the combination with a rotary platen; of a sheet-collating and feeding mechanism, comprising a collating-board extending upwardly above the platen and mounted to swing forwardly to a cumbent sheet-assembling position, endless belts driven by the platen and extending upwardly therefrom in position to support the side margins of work-sheets arranged on said board, means on said belts for engaging the sheets and causing them to be advanced with the belts, giu'ide pulleys at the upper. end of said board, over which the belts are guided, a transverse pulley. shaft on which said pulleys are mounted,

- rock arms carrying said pulley shaft, springs to urge thesald shaft in a direction to m'aintain tension on the belts, and means providing' curved supporting surfaces on the platen frame in the path of the'belts, and

over which the belts are-flexed when the col-- lating-board is swungforward, said pulley shaft yieldable against the tension of the springs to permit said flexing of the belts,

14. In a typewriting machine, the combination with a rotary platen; of a sheet-collating and feeding mechanism, comprising a collating-board extending upwardly above the platen andmounted to swing forwardly to a cumbent sheet-assembling position, end

less belts driven by the platen and extending upwardly therefrom in position to support the side margins of work-sheets arranged on said board, means on said belts for engaging the sheets and causing them to be advanced with the belts, guide pulleysat the upper end of said board, over which the belts are 0 guided, a transverse pulley shaft on which i said pulleys are mounted, rock arms carryinglsaid pulley shaft, springs to urge the said shaft .in'a direction to maintain tension on the belts, and a skeleton hood or guide 5 7 said arms, pulleys on said shaft, endless belts running over said pulleys and extend- 119 ing downwardly therefrom and driven by the platen, springs maintaining an upward pressure on the pulley shaft and thereby maintaining tension on the belts, and means forming supporting surfaces over which the belts are flexed when the frame is swung forward, said pulley shaft yieldable under the tension of the belts as they are flexed.

16. In a typewriting machine, the combi- 1 I nation with a rotary platen; of sheet feeding mechanism, comprising a supporting frame extending upwardly above the platen v and mounted to swing forward, a rockshaft mounted in the upper end of'said frame and extending transversely .between the side f members of said frame, rock arms mounted on said rock shaft, a pulley shaft carried on said arms, pulleys on said shaft, endless belts running over said pulleys and extending downwardly therefrom and driven by the platen, springs maintaining an upward pressure on the pulley shaft and thereby maintaining tension on the belts, means forming supporting surfaces over which the belts are flexed when the frame is swung forward, said pulley shaft yieldable under the tension of the-belts as they are flexed, and a hood or guide carried by said rock shaft and arranged substantially concentric with the pulley shaft to guide the worksheets as they are carried with the belts around the pulleys, one of said rock arms being fixed to said rock shaft to cause the latter to rock and swing said hood therewith as the pulleys are drawn inwardly by the flexing of the belts.

17 In a typewriting machine, the combination with a rotary platen; of sheet feeding mechanism comprising a supporting frame extending upwardly above the platen and mounted to swing forward, a rock shaft mounted in the upper end of said frame and extending transversely between the side members of said frame, rock arms mounted on said rock shaft, a pulley shaft carried on said arms, pulleys on said shaft, endless belts running over: said pulleys and extending downwardly therefrom and driven by the platen, springs maintaining an upward pressure on the pulley shaft and thereby maintaining tension on the belts, means forming supporting surfaces over which the belts are flexed when the frame is swung forward, said pulley shaft yieldable under the tension of the belts as they are flexed, and a hood or guide carried by said rock shaft and arranged substantially concentric with the pulley shaft to guide the work-sheets as they are carried with the belts around the pulleys, one of said rock arms being fixed. to

said rock shaft and the other of said rock.

arms being rotatably mounted on the rock shaft to permit tension to be maintained on each belt independently of the other 18. In a typewriting machine, the combination with a rotary platen; of means for supporting and feeding work-sheets to the platen, comprising a frame normally extending upwardly above the platen and mounted to swing forward to work-sheet receiving position, endless belts driven by the platen and extending upwardly therefrom to the upper end of said frame, belt pulleys at the upper end of said frame, over which said belts run, a pulley shaft carrying said pulleys, rock arms carrying the pulley shaft, guides on said pulley shaft intermediate the belt pulleys, by which the work-sheets are guided and supported as they are carried with the belts around said pulleys, and a skeleton hood extending over said pulleys and guides in position to retain the work-' member concentric with the platen and rigidly" uniting said side members, the platen being rotatably mounted on said transverse member, a, platen axle journaled in said transverse member; and a gear train connecting the platen axle and platen, said train comprising gears connected to the axle and the platen, respectively, pinions meshing with said gears, and a shaft to which said pinions are fixed.

20. In a typewriting machine, the combination with a rotary platen; of endless work sheet carrying belts driven by the platen; a supporting frame for said belts comprising an upwardly and rearwardly inclined portion, and an. upright portion forming a continuation of said inclined portion, guide pulleys at the upper end of the frame, over which the belts extend; and anti-friction guide rolls at the lower end of said upright portion of the framefover which the belts are guided; a sheet-collating table consisting of openwork, and lying substantially in the plane of the leads of the belt between said pulleys and anti-friction rolls; and sup-v porting plates extending between said pulleys and anti-friction rolls in front of and close to said leads of the belt.

, 21. In a typewriting machine, the combination with a rotary platen; of work-sheet supporting and feeding mechanism comprising asheet-collating table having an inclined portion extending upwardly and rearwardly above the platen, and 'an upright portion forming a continuation of said inclined portion, said table consisting of an open wire workconstruction. endless conveyers driven by the platen, and located laterally beyond the sidesof said table,'said table and conveyers arranged to swing forward and downward to sheet-assembling position, means for supporting and guiding the conveyers so that one lead of each belt extends about in the plane of said table, and sup- FREDERICKA. HART.

Witnesses: v V E. Bi LIBBEY,

ARTH R A. JOHNSON; 

